Ask a New Question

Questions and answers by

Tim

Questions (992)

A tower that is 65m high makes an obtuse angle with the ground. The vertical distance from the top of the tower to the ground is
1. 1 answer
2. 1,705 views
This is a lab called Enthalpy and Entropy of Borax Dissolution and I just can't seem to get the right answers... Please help me
1. 4 answers
2. 2,656 views
which has the greater average speed: a car that travels from milepost 35 to milepost 40 in 5 minutes, or one that travels from
1. 1 answer
2. 571 views
A comet orbits the Sun with a period of 72.8 yr.(a) Find the semimajor axis of the orbit of the comet in astronomical units (1
1. 0 answers
2. 603 views
A carefully designed experiment can measure the gravitational force between masses of 9 kg. Given that the density of iron is
1. 4 answers
2. 751 views
A trapdoor on a stage has a mass of 20.8 kg and a width of 1.58 m (hinge side to handle side). The door can be treated as having
1. 14 answers
2. 941 views
A thin uniform rod (length = 1.3 m, mass = 3.2 kg) is pivoted about a horizontal frictionless pin through one of its ends. The
1. 1 answer
2. 1,485 views
When viewing Angel Falls (the world's highest waterfall) from Observation Platform A, located on thesame level as the bottom of
1. 0 answers
2. 562 views
A system consists of two particles. Particle 1 with mass 2.0 kg is located at (2.0 m, 6.0 m) and has a velocity of (3.1 m/s, 2.6
1. 0 answers
2. 636 views
A gardener wants to fence in her plot in two equal rectangular sections. If she has 120 yards of fence and the area of the
1. 1 answer
2. 710 views
356 Cal to kilowatt-hours
1. 1 answer
2. 334 views
Now calculate Kb the base dissociation constant for [C2H3O2-], acetate anion, for each of your trials from the concentrations of
1. 1 answer
2. 5,955 views
A proton with kinetic energy 100 keV is moving in a plane perpindicular to a uniform magnetic field of magnitude 2.3 T. Find the
1. 2 answers
2. 437 views
A proton with kinetic energy 100 keV is moving in a plane perpindicular to a uniform magnetic field of magnitude 2.3 T. Find the
1. 0 answers
2. 429 views
The red laser light used in supermarket scanners has a wavelength of 633 x 10-9 m. (This is 633 nanometers, 633 nm). Find the
1. 0 answers
2. 555 views
You have equally likely chance of choosing any number from 1 to 10. What is the probability that you choose a number greater
1. 1 answer
2. 1,012 views
An electron with a speed of 1.9 × 107 m/s moves horizontally into a region where a constant vertical force of 5.4 × 10-16 N
1. 0 answers
2. 551 views
There are two trains. The first train is travelling at 52 km/h. The second train is travelling at 68 km/h. It takes 9 seconds
1. 1 answer
2. 563 views
If nonessential amino acids are missing from the diet, can essential amino acids be substituted in the protein?I would
1. 1 answer
2. 898 views
Two similar solids have a scale factor of 3:5. If the height of solid I is 3 cm, find the height of solid II.If the surface area
1. 0 answers
2. 1,201 views
A bag of blood with a density of 1050 kg/m3 is raised 1.37 m higher than the level of a patient’s arm. How much greater is the
1. 0 answers
2. 968 views
A pitched ball is hit by a batter at a 45° angle and just clears the outfield fence, 90 m away. Assume that the fence is at the
1. 1 answer
2. 1,331 views
A ball rolls with a speed of 6.4 m/s toward the edge of a table that is 0.7 m above the floor. The ball rolls off the table.a.
1. 2 answers
2. 1,309 views
An angle is 35 degrees more than 4 times its supplementary angle. Find the measures of the two angles.
1. 1 answer
2. 705 views
how much water should i add to neutralize 1000 milliliters oh ph 13
1. 1 answer
2. 321 views
The radius r of a sphere is increasing at the uniform rate of 0.3 inches per second. At the instant when the surface area S
1. 6 answers
2. 17,956 views
A cup has a radius of 2" at the bottom and 6" on the top. It is 10" high. 4 Minutes ago, water started pouring at 10 cubic " per
1. 4 answers
2. 421 views
A cup has a radius of 2" at the bottom and 6" on the top. It is 10" high. 4 Minutes ago, water started pouring at 10 cubic " per
1. 5 answers
2. 867 views
radius of the earth = 6.37 × 10^6what is the speed of a 90.6 kg person at the equator? I know that F=m(v^2/r) but I don't know
1. 3 answers
2. 582 views
Please help me with the questions?1) How do you respond to some stimuli in your environment? The examples I wrote are: If I am
1. 1 answer
2. 318 views
Finding area under a curveFrom [1,3] 2x^2 -4x +1
1. 2 answers
2. 389 views
Divers dive straight out from a cliff that is 21 m high. If the rocks below the cliff extend outward for 15 m, what is the
1. 1 answer
2. 586 views
The equation y=2x+7 represents a linear relationship that is non-proportional. What changes could I make to the equation to make
1. 0 answers
2. 627 views
Variable cost divided by the change in quantity produced isA. average variable cost. B. marginal cost. C. average total cost. D.
1. 0 answers
2. 1,028 views
write a essay describing de jure segregation include why was it established , what happen with de jure segregation from
1. 1 answer
2. 402 views
list 3 ways we can reduce the size of a sample, none of which has any direct relationship to the size of the population
1. 0 answers
2. 385 views
The Quality Assurance Department selected a sample of 12 printed circuit boards and tested them. The number of defects in each
1. 0 answers
2. 1,258 views
I have to put these in the past tense-Are they correct?1. Tú hablas por teléfono. Tú habaste por teléfono. 2. Nosostros
1. 1 answer
2. 590 views
Could you please check these-I had to answer the questions.1.¿Bailaste ayer? Sí,yo bailé ayer. 2.¿Caminaste a la escuela
1. 2 answers
2. 1,072 views
The Quality Assurance Department selected a sample of 12 printed circuit boards and tested them. The number of defects in each
1. 0 answers
2. 728 views
Is 450g of oxygen enough to burn 125g of butane according to the following equation? C4H10 + O2 ---> CO2 + H2O? show why or why
1. 2 answers
2. 546 views
How many grams of KCl would be produced from the complete decomposition of 2.75g of KClO3?
1. 1 answer
2. 679 views
How much oxygen would be needed to completely burn 250g of propane?
1. 1 answer
2. 456 views
A ship sailing parallel to shore sights a lighthouse at an angle of 12 degrees from its direction of travel. After traveling 5
1. 1 answer
2. 5,055 views
Find the percent of error of each measurement.0.2cm 0.4cm
1. 3 answers
2. 679 views
This is soooo confusing!An airplane flies from New Orleans, Louisiana, to Atlanta, Georgia, at an average rate of 320 miles per
1. 1 answer
2. 1,264 views
Following the breakup of the Soviet Union, what are some of the major problems faced by many of the new countries? Thanks.
1. 5 answers
2. 573 views
what is it called when all the items in the population have the same chance of being selected for the sample?
1. 1 answer
2. 436 views
What quantity is given by the gradient of such a graph?
1. 1 answer
2. 442 views
There are 20 balls in a bowl. 7 black, 6 blue, 5 green, 4 red, and 3 yellow. Balls must be drawn until 4 different colors are
1. 1 answer
2. 483 views
On a board game if you landed on red you move ahead 1 space,land on blue you move ahead 2 spaces,and land on orange you move
1. 1 answer
2. 513 views
In The Declaration of Independence how did they signify the colonists’ relationship to Britain?
1. 1 answer
2. 425 views
what is John updike`s message in this paragraph?The next morning, I went back to the open vantage from which we had watched the
1. 1 answer
2. 499 views
Although the Chesapeake and New England colonies differed in many ways, relations with Native Americans followed a similar
1. 0 answers
2. 711 views
In what ways did English settlement patterns differ according to region and environmental factors?
1. 2 answers
2. 521 views
Can anyone explain to me what they are trying to ask in this question. What is the difference between the Sympathetic Nervous
1. 0 answers
2. 379 views
Write the rectangular equation in polar form.(x – 4)2 + y2 = 16
1. 2 answers
2. 731 views
What type of data is the projected return on an investment? Qualitative , continous, attribute,discrete or none of the above
1. 1 answer
2. 1,526 views
For the following, state the value of the discriminant and then describe the nature of the sloution. -3x^2-8x-19=0
1. 1 answer
2. 425 views
I need to check my work on diagramming this question. How many players are on a team? I think it should be as follows:How
1. 1 answer
2. 1,221 views
Solve. V^2-6v-16=0
1. 1 answer
2. 511 views
How do i simplify 3n^2+3n/6n^2+9 by removing factors of 1
1. 1 answer
2. 450 views
A firecracker is launched straight up, and its height is a function of time, h(t)= -14^2 + 112t, where h is the height in feet
1. 1 answer
2. 836 views
What pressure (atm) is exerted by a column of ethanol 86.0 cm high. The density of ethanol is 0.789 g/cm3 and 9.8 m/s2 as your
1. 0 answers
2. 401 views
A traveling wave is produced on a rope. The wave travels until it hits a wall and it is reflected. If the speed of the wave is
1. 1 answer
2. 557 views
At 36.4°C a sample of ammonia gas exerts a pressure of 6.8 atm. What is the pressure when the volume of the gas is reduced to
1. 1 answer
2. 1,025 views
A man lifts various loads with the same lever. The distance of the applied force from the fulcrum is 1.00 m, and the distance
1. 1 answer
2. 920 views
3. A man lifts various loads with the same lever. The distance of the applied force from the fulcrum is 1.00 m, and the distance
1. 1 answer
2. 5,413 views
How the internet policies of some countries may affect a company's ability to expand globally?
1. 1 answer
2. 343 views
How would I solve this...I don't get it. Two solutions of an equation are (6,5) and (8,5). What could the equation be?
1. 1 answer
2. 357 views
an average of 0.56 defects per 500 yards. Using the Poisson formula, find the probability that the number of defects in a given
1. 0 answers
2. 695 views
Find the polynomial function P of the lowest possible degree, having real coefficients, with the given zeros.3+2i, -2 and 1
1. 1 answer
2. 3,773 views
what is k(p)= (p+3)(p-7)
1. 3 answers
2. 286 views
What is the molarity of CuCl2 solution that completely reacts with 10.0g of zinc , if the volume of the solution is 360mls?Zn(s)
1. 0 answers
2. 565 views
The altitude of a triangle is increasing at a rate of 3 centimeters/minute while the area of the triangle is increasing at a
1. 1 answer
2. 530 views
how much force is need to split a 20" x 20" green hedge log?
1. 0 answers
2. 323 views
what is the design, purpose and the limits of an I.Q test?
1. 1 answer
2. 475 views
A car drove a total 5km. Accelerated 10seconds then had a constant velocity. Entire trip was 45 seconds. Was was the initial
1. 1 answer
2. 572 views
A car drove a total 5km. Accelerated 10seconds then had a constant velocity. Entire trip was 45 seconds. Was was the initial
1. 0 answers
2. 378 views
A model train is made by connecting cars with possible lengths of 2 inches and 5 inches. what is the number of inches in the
1. 1 answer
2. 538 views
Sam has $50 in the bank. He deposits $5 each week and does not withdraw any money. How much will he have in his account in w
1. 3 answers
2. 633 views
Mass of flask = 81.39gMass of flask and water = 104.26g Mass of flask ,water,and solute =129.53 Mass of solute= 25.27g Boiling
1. 1 answer
2. 647 views
construct an isoceles triangle with an area of 100. what is the length of the base of the triangle which has the smallest
1. 0 answers
2. 469 views
A convex mirror with a radius of curvature of 10 cm (C=10 cm) produces a virtual image 1/3 the size of the real object. What is
1. 1 answer
2. 523 views
A 15.0% (by mass) NaCl solution is available.. Determine what mass of solution should be used to obtaina. 2.50 mole of NaCl b.
1. 1 answer
2. 994 views
An amusement ride consists of a large horizontal circular platform turning at 12 rpm. People attempt to sit on this platform
1. 0 answers
2. 568 views
The Mayflower compact is an example of which concept?
1. 1 answer
2. 591 views
My teacher gave us a puzzle.I have worked on it for 2 hours with both my parents and they can not figure it out. 0 o 0 o 0 o 0 o
1. 0 answers
2. 420 views
A ski gondola is connected to the top of a hill by a steel cable of length 620 m and diameter 1.5 cm. As the gondola comes to
1. 2 answers
2. 1,537 views
A mass of 1.66 kg stretches a vertical spring 0.312 m. If the spring is stretched an additional 0.136 m and released, how long
1. 1 answer
2. 523 views
How many atoms of aluminum can be produced by the decomposition of 47.1 g of Al2O3? (Hint: Write and balance the equation
1. 2 answers
2. 1,343 views
A 0.105 kg baseball is thrown upward with an initial speed of 12.0 m/s.(a) What is the force on the ball when it reaches half of
1. 1 answer
2. 470 views
A 2.22 kg book is dropped from a height of +3.2 m. What is its acceleration?can you help?
1. 3 answers
2. 396 views
Using the definition of the scalar product, find the angles between the following pairs of vectors.A = - 4 i + 2 j + 2 k and B =
1. 2 answers
2. 673 views
So I think I have done this problem right, I was just wondering if anyone would check over it for me.What mass (in grams) of
1. 1 answer
2. 868 views
What is the domain of the function f(x) = square root of (12x-24)I don't get this concept and I have a ton of these problems-can
1. 1 answer
2. 587 views
A 6-kg clay ball is thrown directly against a perpendicular brick wall at a velocity of 22 m/s and shatters into three pieces,
1. 8 answers
2. 2,268 views
What is the total vapor pressure4 at 20° C of a liquid solution containing 0.30 mole fraction benzene, C6H6, and 0.70 mole
1. 2 answers
2. 1,353 views
Due to the costs of production, the major news source that would NOT emerge as a major entity until the creation of cable
1. 1 answer
2. 455 views
In this lab: we demonstrated the method of evaporation of a saturated sodium chloride solution.The following question ask: 1)
1. 3 answers
2. 3,768 views

Pages

1
2
3
4
5
6
7
8
9
10

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025